71422760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 167270400

約数和(自身を除く): 95847640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 239, 241, 248, 310, 478, 482, 620, 956, 964, 1195, 1205, 1240, 1912, 1928, 2390, 2410, 4780, 4820, 7409, 7471, 9560, 9640, 14818, 14942, 29636, 29884, 37045, 37355, 57599, 59272, 59768, 74090, 74710, 115198, 148180, 149420, 230396, 287995, 296360, 298840, 460792, 575990, 1151980, 1785569, 2303960, 3571138, 7142276, 8927845, 14284552, 17855690, 35711380, 71422760]

約数ペア:

[(1, 71422760), (2, 35711380), (4, 17855690), (5, 14284552), (8, 8927845), (10, 7142276), (20, 3571138), (31, 2303960), (40, 1785569), (62, 1151980), (124, 575990), (155, 460792), (239, 298840), (241, 296360), (248, 287995), (310, 230396), (478, 149420), (482, 148180), (620, 115198), (956, 74710), (964, 74090), (1195, 59768), (1205, 59272), (1240, 57599), (1912, 37355), (1928, 37045), (2390, 29884), (2410, 29636), (4780, 14942), (4820, 14818), (7409, 9640), (7471, 9560)]